1/*jslint node:true, vars:true, bitwise:true, unparam:true */
2/*jshint unused:true */
3/*global */
4/*
5 * Author: Zion Orent <zorent@ics.com>
6 * Copyright (c) 2014 Intel Corporation.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining
9 * a copy of this software and associated documentation files (the
10 * "Software"), to deal in the Software without restriction, including
11 * without limitation the rights to use, copy, modify, merge, publish,
12 * distribute, sublicense, and/or sell copies of the Software, and to
13 * permit persons to whom the Software is furnished to do so, subject to
14 * the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be
17 * included in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
23 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
24 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
25 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 */
27
28var upmBuzzer = require("jsupm_buzzer");
29// Initialize on GPIO 5
30var myBuzzer = new upmBuzzer.Buzzer(5);
31var chords = [];
32chords.push(upmBuzzer.DO);
33chords.push(upmBuzzer.RE);
34chords.push(upmBuzzer.MI);
35chords.push(upmBuzzer.FA);
36chords.push(upmBuzzer.SOL);
37chords.push(upmBuzzer.LA);
38chords.push(upmBuzzer.SI);
39chords.push(upmBuzzer.DO);
40chords.push(upmBuzzer.SI);
41var chordIndex = 0;
42
43// Print sensor name
44console.log(myBuzzer.name());
45
46function melody()
47{
48    if (chords.length != 0)
49    {
50        //Play sound for one second
51        console.log( myBuzzer.playSound(chords[chordIndex], 1000000) );
52        chordIndex++;
53        //Reset the sound to start from the beginning.
54        if (chordIndex > chords.length - 1)
55			chordIndex = 0;
56    }
57}
58setInterval(melody, 100);
59
60// Print message when exiting
61process.on('SIGINT', function()
62{
63	console.log("Exiting...");
64	process.exit(0);
65});
66